邮件，pvp赛季结算，boss关卡注释

game-server/app/servers/role/handler/mailHandler.ts

@@ -10,10 +10,10 @@ import { mongoose } from '@typegoose/typegoose';
 const { ObjectId } = mongoose.Types;
 import { nowSeconds } from '../../../pubUtils/timeUtil';
 export default function(app: Application) {
-    return new RoleHandler(app);
+    return new MailHandler(app);
 }
 
-export class RoleHandler {
+export class MailHandler {
     constructor(private app: Application) {
     
     }
@@ -67,7 +67,6 @@ export class RoleHandler {
                 return _id;
             });
             await MailModel.updateMailStatus(mailIds, MAIL_STATUS.DELETE);
-           
             return resResult(STATUS.SUCCESS, { mails });
         }
     }